i have noticed in the past week, that when i get my heart rate up doing any physical activity i get a sharp pain in the back of my skull....to the point where i have to close my eyes, and i start to feel nauseous....during the pain my neck feels numb as well....what could be causing this??? please give me all of the possibilities....thanks so much....

High blood pressure can cause a sharp pain such as you describe at the base of the skull. You can check your blood pressure at your doctor's office. You can also visit an ophthalmologist to examine your sight and any complications possibly caused by eye pressure disorder.

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